168942080

素因数分解:

$2^9\times 5^1\times {\mathrm{65993}}^1$

素因数の和:66016

約数の個数: 40

約数和(自身を含む): 405071172

約数和(自身を除く): 236129092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 65993, 131986, 263972, 329965, 527944, 659930, 1055888, 1319860, 2111776, 2639720, 4223552, 5279440, 8447104, 10558880, 16894208, 21117760, 33788416, 42235520, 84471040, 168942080]

約数ペア:

[(1, 168942080), (2, 84471040), (4, 42235520), (5, 33788416), (8, 21117760), (10, 16894208), (16, 10558880), (20, 8447104), (32, 5279440), (40, 4223552), (64, 2639720), (80, 2111776), (128, 1319860), (160, 1055888), (256, 659930), (320, 527944), (512, 329965), (640, 263972), (1280, 131986), (2560, 65993)]